Avionics News January 2017 - 64

centric NAS. The FAA continues to work closely with
stakeholders including air carriers and other aircraft
operators to achieve that goal.
accurate than raw GPS. This helps controllers handle
Based on their manufacture date and the equipment
traffic effectively and safely near high terrain or congested
available at that time, aircraft have a mix of avionics
airspace where PBN procedures assure proper separation.
equipage. The FAA is encouraging carriers and others
The procedures are called "performance
to upgrade equipment and train flight crews
based" because the onboard avionics must
to enable them to use all types of PBN
meet the performance specification established
procedures more often. The PBN strategy
for individual procedures. Specifications vary
document also establishes a Navigation
depending on the type of approach being
Service Group concept that outlines what
flown. If an aircraft flies a Required Navigation
level of PBN services and procedures will be
Performance approach (the most advanced type
provided to different categories of airports.
of procedure) near mountains, its avionics must
NSG 1 covers 15 major airports, including
not only be extremely accurate but also able to
the 10 largest hubs by operations plus
warn the flight crew if navigation performance
airports in close proximity that share a
Joshua Gustin,
FAA senior technical adviser
deteriorates for any reason.
collective high tempo of operations. These
for PBN implementation
The PBN NAS Navigation Strategy 2016
airports, which account for 30 percent of U.S.
document is divided into near-, mid- and farinstrument flight rule operations, will have the
term objectives:
highest level of PBN capabilities, including
* Near-term (today through 2020)
RNP approaches and - in some cases -
objectives focus on increasing the use
departures and arrivals.
of Area Navigation and RNP procedures
The next category covers the remaining
already in place and developing new
large hub airports, which will have a wide
criteria, policies and standards to allow
range of PBN services followed by a category
for more advanced application of PBN.
with small and non-hub airports with less
* Mid-term (2021 to 2025) objectives
need for PBN. Another category includes
will build on newly available PBN
national and regional general aviation airports
Donna Creasap,
operations to increase access, efficiency
less likely to need certain types of PBN such
FAA PBN Programs and
Policy Group manager
and resiliency across the NAS.
as RNAV departure or arrival procedures, and
NextGen capabilities such as data
so on down the line. The FAA strategy spells
communications will, along with PBN, help the
out more details about the level of PBN services for each
FAA move to time-based management and enable
group of airports.
air carriers to fly more-predictable operations.
"The strategy will be reviewed every two years to
* Far-term (2026 to 2030 and beyond) objectives
confirm that the priorities established still address the
will focus on leveraging time- and speed-based
navigation needs in a changing world," said Donna
air traffic management to further increase
Creasap, FAA PBN Programs and Policy Group manager.
predictability. Airlines are eager to have more
"This will keep the FAA on track and in sync with the
predictable arrival times to efficiently schedule
stakeholders in this collaboration that is the key to PBN
staff at gates.
success."
Tables in the strategy document spell out the level of
In June 2016, the FAA also published a report titled
PBN service that will be offered and the improvements
The Future of the NAS, which outlines the path ahead
planned in each timeframe. The strategy also emphasizes
for NextGen and is meant to provide a basis for the FAA
the FAA's efforts to engage local communities when
to work with the aviation community, the operational
flight path changes are planned or an area might
workforce and other stakeholders to plan and prioritize
be affected by PBN initiatives. The aim is to keep
future NextGen investments. The report has many charts,
communities involved in the PBN design process.
graphs and illustrations that will help readers understand
Building off the past decade of FAA and industry
where NextGen is headed. The report can be found at
collaboration, the new strategy document outlines
www.faa.gov/nextgen/library along with other NextGen
necessary goals and achievements to create a PBNdocuments and videos. q
STEP ASIDE VOR

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64

avionics news

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january

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http://www.faa.gov/nextgen/library

Table of Contents for the Digital Edition of Avionics News January 2017

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Avionics News January 2017 - Intro
Avionics News January 2017 - No label
Avionics News January 2017 - Cover2
Avionics News January 2017 - 1
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Avionics News January 2017 - Cover3
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